6856592572 has 12 divisors (see below), whose sum is σ = 11999934576. Its totient is φ = 3428039840.

The previous prime is 6856592551. The next prime is 6856592579. The reversal of 6856592572 is 2752956586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856592579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113 + ... + 117175.

It is an arithmetic number, because the mean of its divisors is an integer number (999994548).

Almost surely, 2^6856592572 is an apocalyptic number.

It is an amenable number.

6856592572 is a deficient number, since it is larger than the sum of its proper divisors (5143342004).

6856592572 is a wasteful number, since it uses less digits than its factorization.

6856592572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128228 (or 128226 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 55.

The square root of 6856592572 is about 82804.5443922011. The cubic root of 6856592572 is about 1899.7776814668. Note that the first 3 decimals are identical.

The spelling of 6856592572 in words is "six billion, eight hundred fifty-six million, five hundred ninety-two thousand, five hundred seventy-two".